Finding the Fourth Proportional to 155,165.39, 214,128.42 and 88,097.39

Step by Step Solution

1. Step 1: Write the proportion equation
   155,165.39 : 214,128.42 = 88,097.39 : x
2. Step 2: Convert to fraction form
   155,165.39/214,128.42 = 88,097.39/x
3. Step 3: Cross multiply
   155,165.39x = 214,128.42 × 88,097.39
4. Step 4: Simplify right side
   155,165.39x = 18,864,154,926.82
5. Step 5: Solve for x
   x = 18,864,154,926.82/155,165.39
6. Step 6: Final answer
   x = 121,574.50